CVE-2019-17490
CVSS v3
8.8
HIGH
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
app\\modules\\polygon\\controllers\\ProblemController in Jiangnan Online Judge (aka jnoj) 0.8.0 allows arbitrary file upload, as demonstrated by PHP code (with a .php filename but the image/png content type) to the web/polygon/problem/tests URI.
Technical details
- Published
- 2019-10-10
Frequently asked questions
What is CVE-2019-17490?
app\\modules\\polygon\\controllers\\ProblemController in Jiangnan Online Judge (aka jnoj) 0.8.0 allows arbitrary file upload, as demonstrated by PHP code (with a .php filename but the image/png content type) to the web/polygon/problem/tests URI.
Is CVE-2019-17490 actively exploited?
Active exploitation of CVE-2019-17490 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-17490?
CVE-2019-17490 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2019-17490 affecting your environment?
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